Portland, OregonSeptember 1998
North America Region, US
Complete daily temperature records for September 1998 with 30 days of comprehensive weather data.
Avg: 65.9°F
30 Days
30 Records
Monthly Average
65.9°F
September 1998
Highest Day
78.7°F
Lowest Day
56.2°F
Daily Range
22.5°F
Daily Temperature Progression
79°F
1
73°F
2
75°F
3
72°F
4
70°F
5
69°F
6
72°F
7
66°F
8
60°F
9
62°F
10
67°F
11
71°F
12
68°F
13
68°F
14
69°F
15
69°F
16
66°F
17
63°F
18
62°F
19
60°F
20
63°F
21
64°F
22
64°F
23
62°F
24
60°F
25
56°F
26
63°F
27
65°F
28
61°F
29
61°F
30
Weekday
Weekend
Daily Temperature Records
| Date | Day | Temperature | Deviation |
|---|---|---|---|
| 1998-09-01 | Tue | 78.7°F | +12.8°F |
| 1998-09-02 | Wed | 73.4°F | +7.5°F |
| 1998-09-03 | Thu | 74.6°F | +8.7°F |
| 1998-09-04 | Fri | 72.4°F | +6.5°F |
| 1998-09-05 | Sat | 69.7°F | +3.8°F |
| 1998-09-06 | Sun | 68.5°F | +2.6°F |
| 1998-09-07 | Mon | 71.6°F | +5.7°F |
| 1998-09-08 | Tue | 66.0°F | +0.1°F |
| 1998-09-09 | Wed | 60.4°F | -5.5°F |
| 1998-09-10 | Thu | 61.9°F | -4.0°F |
| 1998-09-11 | Fri | 67.3°F | +1.4°F |
| 1998-09-12 | Sat | 70.5°F | +4.6°F |
| 1998-09-13 | Sun | 67.9°F | +2.0°F |
| 1998-09-14 | Mon | 68.4°F | +2.5°F |
| 1998-09-15 | Tue | 68.5°F | +2.6°F |
| 1998-09-16 | Wed | 68.8°F | +2.9°F |
| 1998-09-17 | Thu | 66.1°F | +0.2°F |
| 1998-09-18 | Fri | 63.3°F | -2.6°F |
| 1998-09-19 | Sat | 61.5°F | -4.4°F |
| 1998-09-20 | Sun | 59.8°F | -6.1°F |
| 1998-09-21 | Mon | 63.2°F | -2.7°F |
| 1998-09-22 | Tue | 64.1°F | -1.8°F |
| 1998-09-23 | Wed | 64.0°F | -1.9°F |
| 1998-09-24 | Thu | 61.6°F | -4.3°F |
| 1998-09-25 | Fri | 59.7°F | -6.2°F |
| 1998-09-26 | Sat | 56.2°F | -9.7°F |
| 1998-09-27 | Sun | 62.8°F | -3.1°F |
| 1998-09-28 | Mon | 65.0°F | -0.9°F |
| 1998-09-29 | Tue | 60.6°F | -5.3°F |
| 1998-09-30 | Wed | 61.4°F | -4.5°F |